PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40602Seat,valve

Essex Industries, Inc. Dba Essex Industries · NSN 4820-00-216-5805 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-216-5805 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-216-5805. Primary manufacturer part number: 40602.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 0.500 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Essex Industries, Inc. Dba Essex Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-216-5805, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-216-5805
Primary Part Number40602
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Body Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-005-0028A51B24300-6 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
3110-00-064-04748575-23-2 INTERCHANGEABLE
Ball,bearing
Cef Industries, Llc Dba Cef Industries Inc
3120-00-104-50707114 INTERCHANGEABLE
Bearing,sleeve
Philips Industries Inc
5670-00-138-46467-1 1-4 INTERCHANGEABLE
Cross,railing
Hollaender Manufacturing Co
5950-00-155-050861660-013 INTERCHANGEABLE
Transformer,power
Dynalec Corporation
1650-00-344-45097114 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Pneudraulics, Inc.
4730-00-415-05857114 INTERCHANGEABLE
Reducer,pipe
Cooper Machinery Services Llc
5995-00-469-5097137377 INTERCHANGEABLE
Cable Assembly,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3030-00-528-4286 INTERCHANGEABLE
Belt,v
5975-00-538-17937114 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
40602 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
071142 Interline Brands, Inc. Dba J. a. Sexauer (USA)
7114 Interline Brands, Inc. Dba J. a. Sexauer (USA)
Related Parts
5330-00-005-0028INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
A51B24300-6
3110-00-064-0474INTERCHANGEABLE
BALL,BEARING
8575-23-2
3120-00-104-5070INTERCHANGEABLE
BEARING,SLEEVE
7114
5670-00-138-4646INTERCHANGEABLE
CROSS,RAILING
7-1 1-4
5950-00-155-0508INTERCHANGEABLE
TRANSFORMER,POWER
61660-013
1650-00-344-4509INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
7114
4730-00-415-0585INTERCHANGEABLE
REDUCER,PIPE
7114
5995-00-469-5097INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
137377
3030-00-528-4286INTERCHANGEABLE
BELT,V
5975-00-538-1793INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
7114
6685-00-564-9800INTERCHANGEABLE
TESTER,PYROMETER AND THERMOCOUPL
7114
5999-00-590-2233INTERCHANGEABLE
DELAY LINE
717799-18

Frequently Asked Questions

What is NSN 4820-00-216-5805?

NSN 4820-00-216-5805 is a Seat,valve, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-216-5805?

NSN 4820-00-216-5805 has 3 cross-referenced part numbers: 40602 (Essex Industries, Inc. Dba Essex Industries), 071142 (Interline Brands, Inc. Dba J. a. Sexauer), 7114 (Interline Brands, Inc. Dba J. a. Sexauer).

What NSN replaces 4820-00-216-5805?

There are 12 known substitutes for 4820-00-216-5805: 5330-00-005-0028, 3110-00-064-0474, 3120-00-104-5070 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40602?

Key specifications for 40602: Body Outside Diameter: 0.500 INCHES NOMINAL IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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